학술논문

Measurement of the lifetime of the Bc+ meson using the Bc+→J/ψπ+ decay mode
Document Type
article
Author
R. AaijB. AdevaM. AdinolfiA. AffolderZ. AjaltouniS. AkarJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA.A. Alves, Jr.S. AmatoS. AmerioY. AmhisL. AnL. AnderliniJ. AndersonR. AndreassenM. AndreottiJ.E. AndrewsR.B. ApplebyO. Aquines GutierrezF. ArchilliA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaM. BaalouchS. BachmannJ.J. BackA. BadalovC. BaessoW. BaldiniR.J. BarlowC. BarschelS. BarsukW. BarterV. BatozskayaV. BattistaA. BayL. BeaucourtJ. BeddowF. BedeschiI. BediagaS. BelogurovK. BelousI. BelyaevE. Ben-HaimG. BencivenniS. BensonJ. BentonA. BerezhnoyR. BernetA. BertolinM.-O. BettlerM. van BeuzekomA. BienS. BifaniT. BirdA. BizzetiP.M. BjørnstadT. BlakeF. BlancJ. BlouwS. BluskV. BocciA. BondarN. BondarW. BoniventoS. BorghiA. BorgiaM. BorsatoT.J.V. BowcockE. BowenC. BozziD. BrettM. BritschT. BrittonJ. BrodzickaN.H. BrookA. BurscheJ. BuytaertS. CadedduR. CalabreseM. CalviM. Calvo GomezP. CampanaD. Campora PerezL. CapriottiA. CarboneG. CarboniR. CardinaleA. CardiniL. CarsonK. Carvalho AkibaR.C.M. Casanova MohrG. CasseL. CassinaL. Castillo GarciaM. CattaneoCh. CauetR. CenciM. CharlesPh. CharpentierM. ChefdevilleS. ChenS.-F. CheungN. ChiapoliniM. ChrzaszczX. Cid VidalG. CiezarekP.E.L. ClarkeM. ClemencicH.V. CliffJ. ClosierV. CocoJ. CoganE. CognerasV. CogoniL. CojocariuG. CollazuolP. CollinsA. Comerma-MontellsA. ContuA. CookM. CoombesS. CoquereauG. CortiM. CorvoI. CountsB. CouturierG.A. CowanD.C. CraikA.C. CrocombeM. Cruz TorresS. CunliffeR. CurrieC. D'AmbrosioJ. DalsenoP. DavidP.N.Y. DavidA. DavisK. De BruynS. De CapuaM. De CianJ.M. De MirandaL. De PaulaW. De SilvaP. De SimoneC.-T. DeanD. DecampM. DeckenhoffL. Del BuonoN. DéléageD. DerkachO. DeschampsF. DettoriB. DeyA. Di CantoA. Di DomenicoH. DijkstraS. DonleavyF. DordeiM. DorigoA. Dosil SuárezD. DossettA. DovbnyaK. DreimanisG. DujanyF. DupertuisP. DuranteR. DzhelyadinA. DziurdaA. DzyubaS. EasoU. EgedeV. EgorychevS. EidelmanS. EisenhardtU. EitschbergerR. EkelhofL. EklundI. El RifaiCh. ElsasserS. ElyS. EsenH.M. EvansT. EvansA. FalabellaC. FärberC. FarinelliN. FarleyS. FarryR. FayD. FergusonV. Fernandez AlborF. Ferreira RodriguesM. Ferro-LuzziS. FilippovM. FioreM. FioriniM. FirlejC. FitzpatrickT. FiutowskiP. FolM. FontanaF. FontanelliR. FortyO. FranciscoM. FrankC. FreiM. FrosiniJ. FuE. FurfaroA. Gallas TorreiraD. GalliS. GalloriniS. GambettaM. GandelmanP. GandiniY. GaoJ. García PardiñasJ. GarofoliJ. Garra TicoL. GarridoD. GasconC. GasparU. GastaldiR. GauldL. GavardiG. GazzoniA. GeraciE. GersabeckM. GersabeckT. GershonPh. GhezA. GianelleS. GianìV. GibsonL. GiubegaV.V. GligorovC. GöbelD. GolubkovA. GolutvinA. GomesC. GottiM. Grabalosa GándaraR. Graciani DiazL.A. Granado CardosoE. GraugésE. GraveriniG. GrazianiA. GrecuE. GreeningS. GregsonP. GriffithL. GrilloO. GrünbergB. GuiE. GushchinYu. GuzT. GysC. HadjivasiliouG. HaefeliC. HaenS.C. HainesS. HallB. HamiltonT. HampsonX. HanS. Hansmann-MenzemerN. HarnewS.T. HarnewJ. HarrisonJ. HeT. HeadV. HeijneK. HennessyP. HenrardL. HenryJ.A. Hernando MorataE. van HerwijnenM. HeßA. HicheurD. HillM. HoballahC. HombachW. HulsbergenN. HussainD. HutchcroftD. HyndsM. IdzikP. IltenR. JacobssonA. JaegerJ. JalochaE. JansP. JatonA. JawaheryF. JingM. JohnD. JohnsonC.R. JonesC. JoramB. JostN. JurikS. KandybeiW. KansoM. KaracsonT.M. KarbachS. KarodiaM. KelseyI.R. KenyonT. KetelB. KhanjiC. KhurewathanakulS. KlaverK. KlimaszewskiO. KochebinaM. KolpinI. KomarovR.F. KoopmanP. KoppenburgM. KorolevL. KravchukK. KreplinM. KrepsG. KrockerP. KrokovnyF. KruseW. KucewiczM. KucharczykV. KudryavtsevK. KurekT. KvaratskheliyaV.N. La ThiD. LacarrereG. LaffertyA. LaiD. LambertR.W. LambertG. LanfranchiC. LangenbruchB. LanghansT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ.-P. LeesR. LefèvreA. LeflatJ. LefrançoisO. LeroyT. LesiakB. LeveringtonY. LiT. LikhomanenkoM. LilesR. LindnerC. LinnF. LionettoB. LiuS. LohnI. LongstaffJ.H. LopesP. LowdonD. LucchesiH. LuoA. LupatoE. LuppiO. LuptonF. MachefertI.V. MachikhiliyanF. MaciucO. MaevS. MaldeA. MalininG. MancaG. MancinelliA. MapelliJ. MaratasJ.F. MarchandU. MarconiC. Marin BenitoP. MarinoR. MärkiJ. MarksG. MartellottiM. MartinelliD. Martinez SantosF. Martinez VidalD. Martins TostesA. MassafferriR. MatevZ. MatheC. MatteuzziA. MazurovM. McCannJ. McCarthyA. McNabR. McNultyB. McSkellyB. MeadowsF. MeierM. MeissnerM. MerkD.A. MilanesM.-N. MinardN. MoggiJ. Molina RodriguezS. MonteilM. MorandinP. MorawskiA. MordàM.J. MorelloJ. MoronA.-B. MorrisR. MountainF. MuheimK. MüllerM. MussiniB. MusterP. NaikT. NakadaR. NandakumarI. NastevaM. NeedhamN. NeriS. NeubertN. NeufeldM. NeunerA.D. NguyenT.D. NguyenC. Nguyen-MauM. NicolV. NiessR. NietN. NikitinT. NikodemA. NovoselovD.P. O'HanlonA. Oblakowska-MuchaV. ObraztsovS. OgilvyO. OkhrimenkoR. OldemanC.J.G. OnderwaterM. OrlandeaJ.M. Otalora GoicocheaA. OttoP. OwenA. OyangurenB.K. PalA. PalanoF. PalomboM. PalutanJ. PanmanA. PapanestisM. PappagalloL.L. PappalardoC. ParkesC.J. ParkinsonG. PassalevaG.D. PatelM. PatelC. PatrignaniA. PearceA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniP. PerretL. PescatoreE. PesenK. PetridisA. PetroliniE. Picatoste OlloquiB. PietrzykT. PilařD. PinciA. PistoneS. PlayferM. Plo CasasusF. PolciA. PoluektovI. PolyakovE. PolycarpoA. PopovD. PopovB. PopoviciC. PotteratE. PriceJ.D. PriceJ. PrisciandaroA. PritchardC. ProuveV. PugatchA. Puig NavarroG. PunziW. QianB. RachwalJ.H. RademackerB. RakotomiaramananaM. RamaM.S. RangelI. RaniukN. RauschmayrG. RavenF. RediS. ReichertM.M. ReidA.C. dos ReisS. RicciardiS. RichardsM. RihlK. RinnertV. Rives MolinaP. RobbeA.B. RodriguesE. RodriguesP. Rodriguez PerezS. RoiserV. RomanovskyA. Romero VidalM. RotondoJ. RouvinetT. RufH. RuizP. Ruiz VallsJ.J. Saborido SilvaN. SagidovaP. SailB. SaittaV. Salustino GuimaraesC. Sanchez MayordomoB. Sanmartin SedesR. SantacesariaC. Santamarina RiosE. SantovettiA. SartiC. SatrianoA. SattaD.M. SaundersD. SavrinaM. SchillerH. SchindlerM. SchluppM. SchmellingB. SchmidtO. SchneiderA. SchopperM.-H. SchuneR. SchwemmerB. SciasciaA. SciubbaA. SemennikovI. SeppN. SerraJ. SerranoL. SestiniP. SeyfertM. ShapkinI. ShapovalY. ShcheglovT. ShearsL. ShekhtmanV. ShevchenkoA. ShiresR. Silva CoutinhoG. SimiM. SirendiN. SkidmoreI. SkillicornT. SkwarnickiN.A. SmithE. SmithJ. SmithM. SmithH. SnoekM.D. SokoloffF.J.P. SolerF. SoomroD. SouzaB. Souza De PaulaB. SpaanP. SpradlinS. SridharanF. StagniM. StahlS. StahlO. SteinkampO. StenyakinF. SterpkaS. StevensonS. StoicaS. StoneB. StoraciS. StrackaM. StraticiucU. StraumannR. StroiliL. SunW. SutcliffeK. SwientekS. SwientekV. SyropoulosM. SzczekowskiP. SzczypkaT. SzumlakS. T'JampensM. TeklishynG. TellariniF. TeubertC. ThomasE. ThomasJ. van TilburgV. TisserandM. TobinJ. ToddS. TolkL. TomassettiD. TonelliS. Topp-JoergensenN. TorrE. TournefierS. TourneurM.T. TranM. TreschA. TrisovicA. TsaregorodtsevP. TsopelasN. TuningM. Ubeda GarciaA. UklejaA. UstyuzhaninU. UwerC. VaccaV. VagnoniG. ValentiA. VallierR. Vazquez GomezP. Vazquez RegueiroC. Vázquez SierraS. VecchiJ.J. VelthuisM. VeltriG. VenezianoM. VesterinenJ.V. Viana BarbosaB. ViaudD. VieiraM. Vieites DiazX. Vilasis-CardonaA. VollhardtD. VolyanskyyD. VoongA. VorobyevV. VorobyevC. VoßJ.A. de VriesR. WaldiC. WallaceR. WallaceJ. WalshS. WandernothJ. WangD.R. WardN.K. WatsonD. WebsdaleM. WhiteheadD. WiednerG. WilkinsonM. WilkinsonM.P. WilliamsM. WilliamsH.W. WilschutF.F. WilsonJ. WimberleyJ. WishahiW. WislickiM. WitekG. WormserS.A. WottonS. WrightK. WyllieY. XieZ. XingZ. XuZ. YangX. YuanO. YushchenkoM. ZangoliM. ZavertyaevL. ZhangW.C. ZhangY. ZhangA. ZhelezovA. ZhokhovL. Zhong
Source
Physics Letters B, Vol 742, Iss , Pp 29-37 (2015)
Subject
Physics
QC1-999
Language
English
ISSN
0370-2693
Abstract
The difference in total widths between the Bc+ and B+ mesons is measured using a data sample corresponding to an integrated luminosity of 3.0 fb−1 collected by the LHCb experiment in 7 and 8 TeV centre-of-mass energy proton–proton collisions at the LHC. Through the study of the time evolution of Bc+→J/ψπ+ and B+→J/ψK+ decays, the width difference is measured to beΔΓ≡ΓBc+−ΓB+=4.46±0.14±0.07 mm−1c, where the first uncertainty is statistical and the second systematic. The known lifetime of the B+ meson is used to convert this to a precise measurement of the Bc+ lifetime,τBc+=513.4±11.0±5.7 fs, where the first uncertainty is statistical and the second is systematic.